22813490 has 64 divisors (see below), whose sum is σ = 52358400. Its totient is φ = 6967296.

The previous prime is 22813487. The next prime is 22813499. The reversal of 22813490 is 9431822.

It is not an unprimeable number, because it can be changed into a prime (22813499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22106 + ... + 23114.

It is an arithmetic number, because the mean of its divisors is an integer number (818100).

Almost surely, 2^22813490 is an apocalyptic number.

22813490 is an abundant number, since it is smaller than the sum of its proper divisors (29544910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22813490 is a wasteful number, since it uses less digits than its factorization.

22813490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22813490 is about 4776.3469304480. The cubic root of 22813490 is about 283.6159011086.

The spelling of 22813490 in words is "twenty-two million, eight hundred thirteen thousand, four hundred ninety".